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Reuben Morais fa7cb1a983 Update decoder hyperparameters
2018-12-28 16:12:09 -02:00
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README.md

DeepSpeech Java / Android bindings

This is still preliminary work. Please refer to native_client/README.md for building libdeepspeech.so and deepspeech binary for Android on ARMv7 and ARM64 arch.

Running deepspeech via adb

You should use adb push to send data to device, please refer to Android documentation on how to use that.

Please push DeepSpeech data to /sdcard/deepspeech/, including:

  • output_graph.tflite which is the TF Lite model
  • alphabet.txt
  • lm.binary and trie files, if you want to use the language model ; please be aware that too big language model will make the device run out of memory

Then, push binaries from native_client.tar.xz to /data/local/tmp/ds:

  • deepspeech
  • libdeepspeech.so
  • libc++_shared.so

You should then be able to run as usual, using a shell from adb shell:

user@device$ cd /data/local/tmp/ds/
user@device$ LD_LIBRARY_PATH=$(pwd)/ ./deepspeech [...]

Please note that Android linker does not support rpath so you have to set LD_LIBRARY_PATH. Properly wrapped / packaged bindings does embed the library at a place the linker knows where to search, so Android apps will be fine.